Radiation Dose measured at exhaust stack monitor of Fukushima Daiichi Nuclear Power Station

○Information

○Measurement value list ： 2025/05/02(CSV Download)

Stack Unit：cps　Wind Velocity Unit：m/s

※"-": the wind velocity is below 0.5m/s

Time	Unit 5,6 joint stack	Wind Direction	Wind Velocity
00:00	3.6	south-southeast	5.7
00:10	3.5	south-southeast	5.2
00:20	3.6	south-southeast	5.4
00:30	3.5	south-southeast	5.9
00:40	3.5	south-southeast	5.7
00:50	3.7	south	5.1
01:00	3.4	south-southeast	6.0
01:10	3.6	south-southeast	6.3
01:20	3.6	south-southeast	6.0
01:30	3.6	south-southeast	6.2
01:40	3.7	south-southeast	6.5
01:50	3.5	south-southeast	7.0
02:00	3.6	south-southeast	7.0
02:10	3.6	south-southeast	6.8
02:20	3.6	south-southeast	7.0
02:30	3.6	south-southeast	7.1
02:40	3.5	south-southeast	7.0
02:50	3.5	south-southeast	7.0
03:00	3.6	south-southeast	6.3
03:10	3.5	south	6.3
03:20	3.7	south-southeast	5.5
03:30	3.6	south-southeast	6.6
03:40	3.6	south-southeast	5.9
03:50	3.5	south-southeast	6.5
04:00	3.6	south	7.4
04:10	3.6	south-southeast	5.4
04:20	3.6	south-southeast	5.5
04:30	3.5	south-southeast	5.4
04:40	3.5	south-southeast	6.0
04:50	3.5	south-southeast	6.5
05:00	3.6	south-southeast	6.8
05:10	3.7	south-southeast	6.8
05:20	3.6	south-southeast	6.6
05:30	3.4	south-southeast	6.2
05:40	3.6	south	6.6
05:50	3.7	south-southeast	6.5
06:00	3.6	south	6.0
06:10	3.6	south-southeast	4.1
06:20	3.5	south-southeast	4.1
06:30	3.6	south	4.9
06:40	3.6	south	4.9
06:50	3.7	south-southeast	4.3
07:00	3.6	south	3.8
07:10	3.8	south	4.6
07:20	3.5	south	3.8
07:30	3.5	south-southwest	4.6
07:40	3.7	south	4.9
07:50	3.6	south-southeast	4.6
08:00	3.4	south	3.7
08:10	3.5	south	4.6
08:20	3.7	south-southeast	5.1
08:30	3.7	south-southeast	4.4
08:40	3.6	southeast	4.4
08:50	3.6	southeast	6.8
09:00	3.7	southeast	7.4
09:10	3.5	southeast	7.6
09:20	3.6	southeast	7.6
09:30	3.6	southeast	6.6
09:40	3.7	southeast	6.5
09:50	3.6	southeast	5.4
10:00	3.6	southeast	5.4
10:10	3.6	southeast	6.6
10:20	3.7	southeast	5.1
10:30	3.6	east-southeast	5.9
10:40	3.8	southeast	6.5
10:50	3.7	east-southeast	6.0
11:00	3.7	southeast	5.7
11:10	3.5	southeast	4.9
11:20	3.7	southeast	5.4
11:30	3.7	south-southeast	5.2
11:40	3.7	southeast	5.4
11:50	3.7	southeast	6.2
12:00	3.6	southeast	6.6
12:10	3.6	southeast	6.6
12:20	3.6	south-southeast	6.2
12:30	3.4	southeast	7.0
12:40	3.7	southeast	6.2
12:50	3.6	south-southeast	8.2
13:00	3.6	southeast	6.8
13:10	3.7	south-southeast	6.0
13:20	3.7	southeast	7.6
13:30	3.5	southeast	7.1
13:40	3.6	southeast	7.9
13:50	3.6	southeast	7.3
14:00	3.8	southeast	7.6
14:10	3.7	southeast	7.9
14:20	3.7	east-southeast	7.6
14:30	3.7	southeast	6.6
14:40	3.6	southeast	5.2
14:50	3.6	southeast	5.9
15:00	3.5	southeast	5.7
15:10	3.7	southeast	6.5
15:20	3.7	southeast	7.1
15:30	3.4	southeast	7.0
15:40	3.6	southeast	6.8
15:50	3.5	southeast	7.7
16:00	3.6	southeast	6.5
16:10	3.6	southeast	6.6
16:20	3.7	southeast	6.2
16:30	3.7	southeast	5.7
16:40	3.6	southeast	5.7
16:50	3.6	southeast	6.2
17:00	3.5	southeast	5.7
17:10	3.8	southeast	5.5
17:20	3.4	southeast	4.4
17:30	3.6	southeast	4.8
17:40	3.6	south-southeast	4.8
17:50	3.5	south-southeast	4.6
18:00	3.6	south-southeast	4.6
18:10	3.7	southeast	4.0
18:20	3.7	south-southeast	4.0
18:30	3.6	southeast	4.3
18:40	3.6	southeast	3.2
18:50	3.6	southeast	2.7
19:00	3.6	southeast	2.4
19:10	3.5	east-southeast	2.4
19:20	3.7	east-southeast	2.1
19:30	3.5	east	2.7
19:40	3.7	east-northeast	2.7
19:50	3.6	east-northeast	2.7
20:00	3.5	northeast	2.1
20:10	3.4	north-northeast	2.7
20:20	3.6	north-northeast	2.4
20:30	3.7	northeast	3.2
20:40	3.7	-	CALM
20:50	3.7	-	CALM
21:00	3.5	-	CALM
21:10	3.7	-	CALM
21:20	3.6	northeast	4.8
21:30	3.6	southwest	1.0
21:40	3.5	west	1.6
21:50	3.5	northwest	3.2
22:00	3.7	-	CALM
22:10	3.5	west-northwest	5.4
22:20	3.6	northwest	4.0
22:30	3.9	north	4.4
22:40	3.5	north	6.8
22:50	3.7	north-northwest	5.9
23:00	3.5	north	5.2
23:10	3.7	north	5.1
23:20	3.7	north-northwest	4.8
23:30	3.4	north-northwest	4.6
23:40	3.7	north-northwest	4.8
23:50	3.5	north	4.6